| 28 Dec 05 |  | Earth Aurora | Auroral X-ray emission observed from Earth s north polar region. |
| 15 Dec 05 |  | SN 1006 | A supernova remnant about 7,000 light years from Earth. |
| 01 Dec 05 |  | Perseus Cluster | The central region of a rich galaxy cluster about 250 million light years from Earth. |
| 29 Nov 05 |  | SN 1970G | A supernova in the galaxy M101, 22 million light years from Earth. |
| 15 Nov 05 |  | DEM L316 | Two supernova remnants in the Large Magellanic Cloud galaxy. |
| 02 Nov 05 |  | Westerlund 1 | A dense cluster of young stars about 16,000 light years from Earth. |
| 13 Oct 05 |  | Sagittarius A* | Chandra's image of the Galactic Center has provided evidence for a new and unexpected way for stars to form. |
| 05 Oct 05 |  | GRB 050709 | A gamma-ray burst located in a spiral galaxy 2 billion light years from Earth. |
| 04 Oct 05 |  | N132D | A glowing horseshoe-shaped cloud of hot gas against a backdrop of thousands of stars. |
| 22 Sep 05 |  | Tycho's Supernova Remnant | The hot, expanding debris of a supernova observed in 1572. |
| 31 Aug 05 |  | Trumpler 14 | A star cluster about 9,000 light years from Earth in the Constellation Carina. |
| 17 Aug 05 |  | Supernova 1987A | New details about the fiery ring surrounding the stellar explosion that produced Supernova 1987A. |
| 27 Jul 05 |  | Neon Abundance in Nearby Stars | Chandra observations of stars hundreds of light years from Earth. |
| 19 Jul 05 |  | 47 Tuc W | A millisecond pulsar in the globular cluster 47 Tucanae |
| 06 Jul 05 |  | Comet Tempel 1 | Chandra observed Comet Tempel 1 during the collision of NASA's Deep Impact impactor probe |
| 27 Jun 05 |  | Saturn's Rings | Chandra images reveal that the rings of Saturn sparkle in X-rays. |
| 13 Jun 05 |  | Cassiopeia A | The remnant of a supernova 10,000 light years from Earth. |
| 06 Jun 05 |  | NGC 40 | This composite image of NGC 40 shows hot gas around a dying, Sun-like star. |
| 30 May 05 |  | RX J0806.3+1527
(J0806) | Two white dwarf stars orbiting each other every 5 minutes. |
| 25 May 05 |  | Saturn | When it comes to mysterious X-rays from Saturn, the ringed planet may act as a mirror. |
| 23 May 05 |  | Iron Spectra from Supermassive Black Holes | X-rays from iron atoms near distant supermassive black holes in the North and South Chandra Deep Fields. |
| 10 May 05 |  | Orion Nebula | A rich cluster of young stars about 1,500 light years from Earth. |
| 28 Apr 05 |  | Mira | A pair of interacting stars about 420 light years from Earth. |
| 19 Apr 05 |  | G21.5-0.9 | A supernova remnant about 20,000 light years from Earth. |
| 08 Apr 05 |  | Galaxy Clusters Survey | Distant galaxy clusters compared with counterparts that are relatively close by. |
| 07 Apr 05 |  | NGC 6482 | Concentrated Dark Matter at the Cores of Fossil Galaxies. |
| 06 Apr 05 |  | Submillimeter Galaxies in the Chandra Deep Field-North (SMG 123616.1+621513) | Merging submillimeter galaxies observed in the Chandra Deep Field-North at a distance of 11 billion light years. |
| 22 Mar 05 |  | M74 | An Ultraluminous X-ray Source in the Spiral Galaxy M74 |
| 02 Mar 05 |  | Jupiter | The fifth planet from the Sun, as seen at a distance of about 400 million miles. |
| 15 Feb 05 |  | Lockman Hole | A region of the sky with a minimum of light-absorbing gas. |
| 02 Feb 05 |  | Mkn 421 | X-ray spectrum from a quasar located 400 million light years from Earth. |
| 25 Jan 05 |  | UGC 6697 in Abell 1367 | A starburst galaxy located in the galaxy cluster Abell 1367, about 300 million light years from Earth. |
| 10 Jan 05 |  | Galactic Center X-ray Binaries | The central region of the Milky Way, about 25,000 light years from Earth. |
| 05 Jan 05 |  | MS 0735.6+7421 | A cluster of galaxies 2.6 billion light years from Earth. |
